00320nam a2200121Ia 4500082002000000100002100020245007300041260002700114300000600141490004100147500000500188700000500193  a515.35bT812.IP  aTreves, Francois  aIntroduction to pseudo differential and fourier integral operatorsb  aNew YorkbPlenumc1980  a   aThe university series in Mathematics  a  a